Prospective Randomized Controlled Trial Comparing Water and Air Colonoscopy in a Community Based Setting

Inclusion Criteria: * Age ≥50 years * Individuals able to provide informed consent * Individuals presenting for average-risk colorectal cancer screening by colonoscopy * Individuals presenting for surveillance of adenomatous/sessile serrated colon polyps as per the US multi-society taskforce on colorectal cancer Exclusion Criteria: * Patients who decline to participate * Prior partial or complete colectomy * Patients with history of inflammatory bowel disease (ulcerative colitis or Crohn's disease) * Patients with prior history of colorectal cancer * Patients with history of screening colonoscopy within the past 10 years * Patients with history of familial polyposis syndromes (Familial Adenomatous Polyposis, Lynch Syndrome)